兴安矿深部泵房吸水井硐室群支护研究与应用 .pdfVIP

学兔兔 煤 炭 工 程 2010年第1O期 兴安矿深部泵房吸水井硐室群支护研究与应用 景海河，申 元 (黑龙江科技学院，黑龙江哈尔滨 150027) 摘 要：随着矿井开采深度的增加，深部软岩硐室群稳定性控制已成为困扰国内~tx-程界的 难题。为了更好地控制大断面硐室群破坏问题，结合鹤岗矿务局兴安矿四水平泵房吸水井大断面 硐室群工程实例，通过现场调查和理论分析，提出了兴安矿四水平泵房吸水井大断面硐室群锚网 喷+锚索+底角锚杆耦合支护技术，并在工程中得到了验证。 关键词：深部开采；大断面；耦合支护 中图分类号：TD354 文献标识码：A 文章编号：1671—0959(2010)10-0020-03 Research and application of group support to water pumping well chamber of pumping room in deep mine of Xingtm Mine JING Hal—he，SHEN Yuan (Heilongjiang Institute of Science and Technology，Harbin 150027，China) Abstract：With the mining depth increased，the stability control of the deep soft rock chamber group became a difficult problem in the engineering industry at home and abroad．In order to well control the failure problem of the large cross section chamber group，in combination with the engineering case of the water pumping well large cross section chamber group for the No．4 level pumping room in Xinghn Mine of Hegang Coal Mining Administration，with the site investigation and theoretical analysis，a bolt／steel mesh／shotcreting + anchor+ floor comer bolt coupling support technology was provided for the water pumping well large cross section chamber group at No．4 level pumping room of Xing~n Mine and the coupling technology was confirmed in the engineering． Keywords：deep mining；large cross section；coupling support 随着煤炭工业的发展，我国基建矿井和生产矿井的井 10km。其四水平延深工程井底车场埋深750m，所处地层为 巷施工深度不断加大，深部围岩处于软岩状态，地质环境 中生代侏罗纪地层。与其他成煤时期(古生代和新生代)不 趋于复杂，软岩问题愈趋严重，巷道及硐室支护的难度和